Oliver
Oliver 1955
The Oliver 1955 is a row-crop tractor produced from 1970 to 1974 as part of the 55 Series by Oliver, a part of White. It features a turbocharged 5.1L 6-cylinder Oliver-Waukesha diesel engine, with an estimated engine power of 120 hp. The tractor offers two transmission options: a 6-speed gear and an 18-speed partial power shift. It has two- or four-wheel drive, power steering, and differential hydraulic dry disc brakes. The operator station is open with optional two-post ROPS and cab. Hydraulics are closed center with a 20 gpm pump flow. The rear hitch is type II/III with a 6000 lbs lift capacity, and the rear PTO is independent with a 1000 rpm type. Dimensions vary between 2WD and 4WD models, with operating weight around 11,250 lbs. The tractor uses 11L-15 front tires and 20.8-38 rear tires. Electrical system is 12 volts with negative ground.
Power120 hp[P]
Founded1970 - 1974
Model1955
Technical Specifications
Detailed specifications and technical data for Oliver 1955
Power
| PTO (tested) | 108.16 hp (80.7 kW) |
|---|---|
| PTO (claimed) | 108 hp (80.5 kW) |
| Drawbar (tested) | 90.32 hp (67.4 kW) |
Engine
| Type | turbocharged diesel |
|---|---|
| Model | Oliver-Waukesha 5.1L 6-cyl diesel |
| Cooling | liquid-cooled |
| Cylinders | 6-cylinder |
| Fuel tank | 35 gal (132.5 L) |
| Rated RPM | 2400 |
| Air cleaner | dry |
| Bore/Stroke | 3.875x4.375 inches (98 x 111 mm) |
| Displacement | 310 ci (5.1 L) |
| Starter volts | 12 |
| Coolant capacity | 20 qts (18.9 L) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
Hydraulics
| Type | closed center |
|---|---|
| Pump flow | 20 gpm (75.7 lpm) |
Mechanical
| Drive | Two- or four-wheel drive |
|---|---|
| Brakes | Differential hydraulic dry disc brakes |
| Steering | Power steering |
| Operator station | Open operator station. Optional two-post ROPS and cab. |
Production
| Type | Row-Crop tractor |
|---|---|
| Series | 55 Series |
| Years made | 1970 - 1974 |
| Original price | $14,250 in 1974 |
Transmission
| Details | The Hydraul-Shift overs a power shift between over-, under-, and direct-drive for each gear. |
|---|---|
| Options | 6-speed gear, 18-speed partial power shift |
| Type (6-speed) | gear |
| Gears (6-speed) | 6 forward and 2 reverse |
| Type (18-speed) | partial power shift |
| Clutch (6-speed) | 330mm cerametallic disc |
| Gears (18-speed) | 18 forward and 6 reverse |
| Clutch (18-speed) | 330mm cerametallic disc |
Tractor hitch
| Rear Type | II/III |
|---|---|
| Rear lift | 6000 lbs (2721 kg) |
Dimensions & Tires
| Width | 80.625 inches (204 cm) Minimum width |
|---|---|
| Rear tire | 20.8-38 |
| 2WD Length | 159.5 inches (405 cm) |
| 4WD Length | 152.375 inches (387 cm) |
| Front tire | 11L-15 |
| Rear tread | 57 to 119.5 inches (144 to 303 cm) |
| 2WD Wheelbase | 103 inches (261 cm) |
| 4WD Wheelbase | 86.25 inches (219 cm) |
| 2WD Front tread | 61.5 to 87.5 inches (156 to 222 cm) |
| 4WD Front tread | 60/70.75/80 inches (152/179/203 cm) |
| Ballasted weight | 16,220 lbs (7357 kg) |
| Operating weight | 11,250 lbs (5103 kg) |
| 2WD Ground clearance | 25.5 inches (64 cm) |
| 4WD Ground clearance | 13.5 inches (34 cm) |
| Height (steering wheel) | 85.5 inches (217 cm) |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 1000 |